/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * Copyright (C) 2021 Nordix Foundation. All rights reserved.
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END=========================================================
 */

import {Pipe, PipeTransform} from '@angular/core';
import {DerivedFEAttribute} from "../../../../../models/attributes-outputs/derived-fe-attribute";

@Pipe({
  name: 'filterChildAttributes',
})
export class FilterChildAttributesPipe implements PipeTransform {
  public transform(childAttributes: Array<DerivedFEAttribute>, parentId: string) {
    if (!parentId || !childAttributes) return childAttributes;

    let validParents: Array<string> = [parentId];
    while (parentId.lastIndexOf('#') > 0) {
      parentId = parentId.substring(0, parentId.lastIndexOf('#'));
      validParents.push(parentId);
    }
    return childAttributes.filter(derivedAttrib => validParents.indexOf(derivedAttrib.parentName) > -1);
  }
}
